70565037 has 4 divisors (see below), whose sum is σ = 94086720. Its totient is φ = 47043356.

The previous prime is 70565009. The next prime is 70565039. The reversal of 70565037 is 73056507.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70565037 - 2¹⁶ = 70499501 is a prime.

It is a super-2 number, since 2×70565037² = 9958848893622738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70564989 and 70565007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70565039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11760837 + ... + 11760842.

It is an arithmetic number, because the mean of its divisors is an integer number (23521680).

Almost surely, 2^70565037 is an apocalyptic number.

It is an amenable number.

70565037 is a deficient number, since it is larger than the sum of its proper divisors (23521683).

70565037 is a wasteful number, since it uses less digits than its factorization.

70565037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23521682.

The product of its (nonzero) digits is 22050, while the sum is 33.

The square root of 70565037 is about 8400.2998160780. The cubic root of 70565037 is about 413.2344542497.

The spelling of 70565037 in words is "seventy million, five hundred sixty-five thousand, thirty-seven".